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This Oregon Department of Environmental Quality website contains links to Total Maximum Daily Load and Water Quality Management Plan documents prepared for waterbodies in Oregon designated as water quality limited on the 303(d) list. A TMDL is the calculated pollutant amount that a waterbody can...
An historical and geographic description of the Willamette River and its watershed.
Descriptive overview of the history of the McKenzie River area.
Overview of the Total Maximum Daily Load (TMDL) analysis and monitoring for stream temperature so that water quality standards can be met. Prepared by the Oregon Department of Environmental Quality. November 2004.
Results from a 1999 survey of watershed councils, Soil and Water Conservation Districts (SWCDs), and friends groups. Willamette Restoration Initiative. September 1999.
An historical and geographic description of the Umpqua River basin.
Oregon State University Extension Service archived publication on the "salmon crisis" from the headwaters to the sea. Includes background information on salmon in Oregon, articles examining human activities and natural forces that affect salmon, and articles on restoration efforts and where to get...
Brief history of the Crooked River Basin region.
An historical look at the Crooked River Project, the building of the Bowman Dam and its impact on irrigation and recreation in the area.